#21 Cobalt Drill Bit

• Jobber Length New- USA Made
• OAL= 3 1/4"
• Flute Length= 2 1/8" 
• Diameter= .159"

• National Aerospace Standard 907, Type J Cobalt
• 135* Split point self centering bit prevents "walking"
  
• Provides superior wear resistance than HSS bits
  
• For use in high-tensile alloys, titanium, cast iron, inconel, aluminum, & stainless steels.
  
• Also used for steel and non-ferrous metals